Josefina was raised in Rosario, Santa Fe, and became interested in performing as a child. While in high school, she received a scholarship to attend a summer arts program at Point Park University in Pittsburgh, Pennsylvania. Upon graduating from high school, Scaglione moved to Buenos Aires and began working as a musical theatre actress. In Buenos Aires, she performed in Cinderella, and as Amber Von Tussle in Hairspray. In 2008, director Arthur Laurents, unable to find an actress in the United States appropriate for the part of Maria in a Broadway revival of West Side Story, discovered...
